public static int ContourGenerate(Band srcBand, double contourInterval, double contourBase, int fixedLevelCount, double[] fixedLevels, int useNoData, double noDataValue, OSGeo.OGR.Layer dstLayer, int idField, int elevField, Gdal.GDALProgressFuncDelegate callback, string callback_data)
{
int ret = GdalPINVOKE.ContourGenerate(Band.getCPtr(srcBand), contourInterval, contourBase, fixedLevelCount, fixedLevels, useNoData, noDataValue, OSGeo.OGR.Layer.getCPtr(dstLayer), idField, elevField, callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public string GetSpatialReferenceFromPath(string filepath)
{
string spatialref = null;
Dataset ds = Gdal.Open(filepath, Access.GA_ReadOnly);
if (ds == null)
{
Console.WriteLine(" [-] Could not create dataset from file.");
return(spatialref);
}
spatialref = ds.GetProjectionRef();
ds.Dispose();
return(spatialref);
}
static GdalConfiguration()
{
MessageBox.Show("开始");
var executingAssemblyFile = new Uri(Assembly.GetExecutingAssembly().GetName().CodeBase).LocalPath;
var executingDirectory = Path.GetDirectoryName(executingAssemblyFile);
if (string.IsNullOrEmpty(executingDirectory))
{
throw new InvalidOperationException("cannot get executing directory");
}
var gdalPath = Path.Combine(executingDirectory, "gdal");
var nativePath = Path.Combine(gdalPath, GetPlatform());
// Prepend native path to environment path, to ensure the
// right libs are being used.
var path = Environment.GetEnvironmentVariable("PATH");
path = nativePath + ";" + Path.Combine(nativePath, "plugins") + ";" + path;
Console.WriteLine(path);
Environment.SetEnvironmentVariable("PATH", path);
// Set the additional GDAL environment variables.
var gdalData = Path.Combine(gdalPath, "data");
Environment.SetEnvironmentVariable("GDAL_DATA", gdalData);
Gdal.SetConfigOption("GDAL_DATA", gdalData);
var driverPath = Path.Combine(nativePath, "plugins");
Environment.SetEnvironmentVariable("GDAL_DRIVER_PATH", driverPath);
Gdal.SetConfigOption("GDAL_DRIVER_PATH", driverPath);
Environment.SetEnvironmentVariable("GEOTIFF_CSV", gdalData);
Gdal.SetConfigOption("GEOTIFF_CSV", gdalData);
var projSharePath = Path.Combine(gdalPath, "share");
Environment.SetEnvironmentVariable("PROJ_LIB", projSharePath);
Gdal.SetConfigOption("PROJ_LIB", projSharePath);
MessageBox.Show("初始化完毕！");
}
public static extern int SieveFilter(HandleRef jarg1, HandleRef jarg2, HandleRef jarg3, int jarg4, int jarg5, IntPtr[] jarg6, Gdal.GDALProgressFuncDelegate jarg7, string jarg8);
public static extern int Polygonize(HandleRef jarg1, HandleRef jarg2, HandleRef jarg3, int jarg4, IntPtr[] jarg5, Gdal.GDALProgressFuncDelegate jarg6, string jarg7);
public static extern int ComputeProximity(HandleRef jarg1, HandleRef jarg2, IntPtr[] jarg3, Gdal.GDALProgressFuncDelegate jarg4, string jarg5);
public static extern int DitherRGB2PCT(HandleRef jarg1, HandleRef jarg2, HandleRef jarg3, HandleRef jarg4, HandleRef jarg5, Gdal.GDALProgressFuncDelegate jarg6, string jarg7);
public static extern int Band_GetDefaultHistogram(HandleRef jarg1, HandleRef jarg2, HandleRef jarg3, HandleRef jarg4, HandleRef jarg5, int jarg6, Gdal.GDALProgressFuncDelegate jarg7, string jarg8);
public static extern int Band_ComputeStatistics(HandleRef jarg1, bool jarg2, out double jarg3, out double jarg4, out double jarg5, out double jarg6, Gdal.GDALProgressFuncDelegate jarg7, string jarg8);
public static extern IntPtr Driver_CreateCopy(HandleRef jarg1, string jarg2, HandleRef jarg3, int jarg4, IntPtr[] jarg5, Gdal.GDALProgressFuncDelegate jarg6, string jarg7);
public static CPLErr ReprojectImage(Dataset src_ds, Dataset dst_ds, string src_wkt, string dst_wkt, ResampleAlg eResampleAlg, double WarpMemoryLimit, double maxerror, Gdal.GDALProgressFuncDelegate callback, string callback_data)
{
CPLErr ret = (CPLErr)GdalPINVOKE.ReprojectImage(Dataset.getCPtr(src_ds), Dataset.getCPtr(dst_ds), src_wkt, dst_wkt, (int)eResampleAlg, WarpMemoryLimit, maxerror, callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static int RegenerateOverviews(Band srcBand, int overviewBandCount, SWIGTYPE_p_p_GDALRasterBandShadow overviewBands, string resampling, Gdal.GDALProgressFuncDelegate callback, string callback_data)
{
int ret = GdalPINVOKE.RegenerateOverviews(Band.getCPtr(srcBand), overviewBandCount, SWIGTYPE_p_p_GDALRasterBandShadow.getCPtr(overviewBands), resampling, callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static int RegenerateOverview(Band srcBand, Band overviewBand, string resampling, Gdal.GDALProgressFuncDelegate callback, string callback_data)
{
int ret = GdalPINVOKE.RegenerateOverview(Band.getCPtr(srcBand), Band.getCPtr(overviewBand), resampling, callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static int RasterizeLayer(Dataset dataset, int bands, int[] band_list, OSGeo.OGR.Layer layer, IntPtr pfnTransformer, IntPtr pTransformArg, int burn_values, double[] burn_values_list, string[] options, Gdal.GDALProgressFuncDelegate callback, string callback_data)
{
int ret = GdalPINVOKE.RasterizeLayer(Dataset.getCPtr(dataset), bands, band_list, OSGeo.OGR.Layer.getCPtr(layer), pfnTransformer, pTransformArg, burn_values, burn_values_list, (options != null)? new GdalPINVOKE.StringListMarshal(options)._ar : null, callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static void PushErrorHandler(Gdal.GDALErrorHandlerDelegate arg0)
{
GdalPINVOKE.PushErrorHandler__SWIG_1(arg0);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
}
public static extern int ContourGenerate(HandleRef jarg1, double jarg2, double jarg3, int jarg4, HandleRef jarg5, int jarg6, double jarg7, HandleRef jarg8, int jarg9, int jarg10, Gdal.GDALProgressFuncDelegate jarg11, string jarg12);
public void FindNoDataXYCoords(string filepath, string outputdir)
{
//returns coordinates of points below a certain value, but only if N adjacent
//nodes also fall below that value. the goal is to only identify anomalous clusters
//of near-0 points ('data voids')
Dataset ds = Gdal.Open(filepath, Access.GA_ReadOnly); //Read raster
if (ds == null)
{
Console.WriteLine(" [-] Could not create raster dataset from file.");
Environment.Exit(1);
}
if (ds.RasterCount < 3)
{
Console.WriteLine(" [-] Need at least a three band raster image.");
Environment.Exit(1);
ds.Dispose();
Environment.Exit(1);
}
List <string> OutputCSV = new List <string>();
double[] gt = new double[6];
ds.GetGeoTransform(gt); //Read geo transform info into array
int Rows = ds.RasterYSize;
int Cols = ds.RasterXSize;
Band redband = ds.GetRasterBand(1);
Band greenband = ds.GetRasterBand(2);
Band blueband = ds.GetRasterBand(3);
double startX = gt[0]; //Upper left lon
double startY = gt[3]; //Upper left lat
double interval = gt[1]; //Cell size
double x, y; //Current lon and lat
string filename = Path.GetFileNameWithoutExtension(filepath);
int adjacencycount = 0;
int adjacencythreshold = 25;
bool previousrow = false;
bool isinvalid = false;
int pointsoverflow = 0;
for (int k = 0; k < Rows; k++) //read one line
{
adjacencycount = 0;
y = startY - k * interval; //current lat
int[][] buf = new int[3][];
buf[0] = new int[Cols];
buf[1] = new int[Cols];
buf[2] = new int[Cols];
int[] previouspixel = new int[3];
//ReadRaster parameters are StartCol, StartRow, ColumnsToRead, RowsToRead, BufferToStoreInto, BufferColumns, BufferRows, 0, 0
try
{
redband.ReadRaster(0, k, Cols, 1, buf[0], Cols, 1, 0, 0);
greenband.ReadRaster(0, k, Cols, 1, buf[1], Cols, 1, 0, 0);
blueband.ReadRaster(0, k, Cols, 1, buf[2], Cols, 1, 0, 0);
}
catch
{
if (isinvalid == false)
{
Console.WriteLine("Invalid compression result. Please rerun ImageChecker");
isinvalid = true;
}
continue;
}
List <List <double> > pixlists = new List <List <double> >();
bool previous = false;
bool hasblackpx = false;
bool existingsequence = false;
int firstinrow = 1;
int sequencenumber = 0;
//iterate each item in one line
for (int r = 0; r < Cols; r++)
{
bool isidentical = false;
bool isdarkpixel = false;
if (buf[0][r] == previouspixel[0] && buf[1][r] == previouspixel[1] && buf[2][r] == previouspixel[2])
{
isidentical = true;
}
if (buf[0][r] <= 15 && buf[1][r] <= 15 && buf[2][r] <= 15)
{
isdarkpixel = true;
}
//if we have reached this point then no additional coordinates will be found, so might as well avoid array accesses
if (r >= (Cols - adjacencythreshold) && adjacencycount < adjacencythreshold)
{
break;
}
if ((isdarkpixel || isidentical) && previous == true)
{
//only add pixels if they're directly adjacent
//this way, you avoid all the errant little shadows that aren't actual data voids
//needs reworking
x = startX + r * interval; //current lon
List <double> potentialresult = new List <double>();
double ydistance = Convert.ToDouble(k);
double xdistance = Convert.ToDouble(r);
if (previousrow == true)
{
potentialresult.Add(x);
potentialresult.Add(y);
potentialresult.Add(ydistance);
potentialresult.Add(xdistance);
pixlists.Add(potentialresult);
}
++adjacencycount;
}
else
{
existingsequence = false;
adjacencycount = 0;
previous = false;
if (isdarkpixel || isidentical)
{
previous = true;
}
pixlists.Clear();
}
if (adjacencycount == 0)
{
existingsequence = false;
pixlists.Clear();
}
if (adjacencycount == adjacencythreshold)
{
hasblackpx = true;
if (previousrow == true) //cuts down the # of false positives while preserving "actual" voids
{
List <double> firstresult = pixlists.First();
List <double> lastresult = pixlists.Last();
double firstx = firstresult[0];
double firsty = firstresult[1];
double firstrow = firstresult[2];
double firstcolumn = firstresult[3];
double lastx = lastresult[0];
double lasty = lastresult[1];
double lastrow = lastresult[2];
double lastcolumn = lastresult[3];
if (existingsequence == true) //save array space by only preserving first/last points in a contiguous sequence
{
//wish C# had something like pop_back()...
OutputCSV.RemoveAt(OutputCSV.Count - 1);
}
//just in case, don't want to hit OOM
if (OutputCSV.Count > 500000)
{
Console.WriteLine("[-] Found a lot of valid BlackPx. Please consider using -m to mask out shoreline tiles");
string overflowfile = outputdir + "\\" + filename + "_" + pointsoverflow.ToString() + ".csv";
WritePointData(overflowfile, OutputCSV);
ResultCoords.csvfiles.Add(overflowfile);
pointsoverflow += 1;
OutputCSV.Clear();
}
//edge case
if (sequencenumber == Int32.MaxValue)
{
Console.WriteLine("[-] Found too many unique patterns. Please consider using -m to mask out shoreline tiles");
Console.WriteLine(" Reducing results size, may skew results");
ReduceXYList(OutputCSV);
}
if (existingsequence == false) //another optimization
{
sequencenumber += 1;
string firstline = string.Format("{0},{1},{2},{3},{4},{5},{6}{7}", firstx, firsty, firstrow, firstcolumn, sequencenumber, firstinrow, filename, Environment.NewLine);
OutputCSV.Add(firstline);
}
if (existingsequence == false && firstinrow == 1)
{
firstinrow = 0;
}
string lastline = string.Format("{0},{1},{2},{3},{4},{5},{6}{7}", lastx, lasty, lastrow, lastcolumn, sequencenumber, firstinrow, filename, Environment.NewLine);
OutputCSV.Add(lastline);
}
pixlists.Clear();
adjacencycount = 0;
existingsequence = true;
}
previouspixel[0] = buf[0][r];
previouspixel[1] = buf[1][r];
previouspixel[2] = buf[2][r];
}
if (hasblackpx == true)
{
previousrow = true;
}
else
{
previousrow = false;
}
}
if (OutputCSV.Any())
{
string outputfile = outputdir + "\\" + filename + ".csv";
WritePointData(outputfile, OutputCSV);
ResultCoords.csvfiles.Add(outputfile);
}
ds.Dispose();
}
public static int SieveFilter(Band srcBand, Band maskBand, Band dstBand, int threshold, int connectedness, string[] options, Gdal.GDALProgressFuncDelegate callback, string callback_data)
{
int ret = GdalPINVOKE.SieveFilter(Band.getCPtr(srcBand), Band.getCPtr(maskBand), Band.getCPtr(dstBand), threshold, connectedness, (options != null)? new GdalPINVOKE.StringListMarshal(options)._ar : null, callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static extern int Dataset_BuildOverviews(HandleRef jarg1, string jarg2, int jarg3, IntPtr jarg4, Gdal.GDALProgressFuncDelegate jarg5, string jarg6);
public CPLErr GetDefaultHistogram(SWIGTYPE_p_double min_ret, SWIGTYPE_p_double max_ret, SWIGTYPE_p_int buckets_ret, SWIGTYPE_p_p_int ppanHistogram, int force, Gdal.GDALProgressFuncDelegate callback, string callback_data)
{
CPLErr ret = (CPLErr)GdalPINVOKE.Band_GetDefaultHistogram(swigCPtr, SWIGTYPE_p_double.getCPtr(min_ret), SWIGTYPE_p_double.getCPtr(max_ret), SWIGTYPE_p_int.getCPtr(buckets_ret), SWIGTYPE_p_p_int.getCPtr(ppanHistogram), force, callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static extern int Band_GetHistogram(HandleRef jarg1, double jarg2, double jarg3, int jarg4, int[] jarg5, int jarg6, int jarg7, Gdal.GDALProgressFuncDelegate jarg8, string jarg9);
public CPLErr ComputeStatistics(bool approx_ok, out double min, out double max, out double mean, out double stddev, Gdal.GDALProgressFuncDelegate callback, string callback_data)
{
CPLErr ret = (CPLErr)GdalPINVOKE.Band_ComputeStatistics(swigCPtr, approx_ok, out min, out max, out mean, out stddev, callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static extern int ComputeMedianCutPCT(HandleRef jarg1, HandleRef jarg2, HandleRef jarg3, int jarg4, HandleRef jarg5, Gdal.GDALProgressFuncDelegate jarg6, string jarg7);
public CPLErr GetDefaultHistogram(out double min_ret, out double max_ret, out int buckets_ret, out int[] ppanHistogram, int force, Gdal.GDALProgressFuncDelegate callback, string callback_data)
{
CPLErr ret = (CPLErr)GdalPINVOKE.Band_GetDefaultHistogram(swigCPtr, out min_ret, out max_ret, out buckets_ret, out ppanHistogram, force, callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static extern int ReprojectImage(HandleRef jarg1, HandleRef jarg2, string jarg3, string jarg4, int jarg5, double jarg6, double jarg7, Gdal.GDALProgressFuncDelegate jarg8, string jarg9);
public CPLErr GetHistogram(double min, double max, int buckets, int[] panHistogram, int include_out_of_range, int approx_ok, Gdal.GDALProgressFuncDelegate callback, string callback_data)
{
CPLErr ret = (CPLErr)GdalPINVOKE.Band_GetHistogram(swigCPtr, min, max, buckets, panHistogram, include_out_of_range, approx_ok, callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static extern int RasterizeLayer(HandleRef jarg1, int jarg2, HandleRef jarg3, HandleRef jarg4, HandleRef jarg5, HandleRef jarg6, int jarg7, HandleRef jarg8, IntPtr[] jarg9, Gdal.GDALProgressFuncDelegate jarg10, string jarg11);
/*@SWIG@*/
public int BuildOverviews( string resampling, int[] overviewlist, Gdal.GDALProgressFuncDelegate callback, string callback_data) {
int retval;
if (overviewlist.Length <= 0)
throw new ArgumentException("overviewlist size is small (BuildOverviews)");
IntPtr ptr = Marshal.AllocHGlobal(overviewlist.Length * Marshal.SizeOf(overviewlist[0]));
try {
Marshal.Copy(overviewlist, 0, ptr, overviewlist.Length);
retval = BuildOverviews(resampling, overviewlist.Length, ptr, callback, callback_data);
} finally {
Marshal.FreeHGlobal(ptr);
}
GC.KeepAlive(this);
return retval;
}
public static extern int FillNodata(HandleRef jarg1, HandleRef jarg2, double jarg3, int jarg4, IntPtr[] jarg5, Gdal.GDALProgressFuncDelegate jarg6, string jarg7);
public int BuildOverviews(string resampling, int overviewlist, IntPtr pOverviews, Gdal.GDALProgressFuncDelegate callback, string callback_data) {
int ret = GdalPINVOKE.Dataset_BuildOverviews(swigCPtr, resampling, overviewlist, pOverviews, callback, callback_data);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static extern int RegenerateOverview(HandleRef jarg1, HandleRef jarg2, string jarg3, Gdal.GDALProgressFuncDelegate jarg4, string jarg5);
public void StartToProcess()
{
GdalConfiguration.ConfigureGdal();
/* -------------------------------------------------------------------- */
/* Register driver(s). */
/* -------------------------------------------------------------------- */
Gdal.AllRegister();
/* -------------------------------------------------------------------- */
/* Open dataset. */
/* -------------------------------------------------------------------- */
List <string> tiffFiles = GetGeoTiffFiles();
foreach (string servertiffFile in tiffFiles)
{
string localTiffFile = GetLocalTiffFileName(Path.GetFileNameWithoutExtension(servertiffFile));
string localPngFile = GetLocalPngFileName(Path.GetFileNameWithoutExtension(servertiffFile));
string serverPngFile = servertiffFile.Replace(".tif", ".png");
DownloadGeoTiffFile(servertiffFile, localTiffFile);
Dataset ds = Gdal.Open(localTiffFile, Access.GA_Update);
if (ds == null)
{
Console.WriteLine("Can't open " + localTiffFile);
throw new Exception();
}
Console.WriteLine("Raster dataset parameters:");
Console.WriteLine(" Projection: " + ds.GetProjectionRef());
Console.WriteLine(" RasterCount: " + ds.RasterCount);
Console.WriteLine(" RasterSize (" + ds.RasterXSize + "," + ds.RasterYSize + ")");
/* -------------------------------------------------------------------- */
/* Get driver */
/* -------------------------------------------------------------------- */
Driver drv = ds.GetDriver();
if (drv == null)
{
Console.WriteLine("Can't get driver.");
System.Environment.Exit(-1);
}
Console.WriteLine("Using driver " + drv.LongName);
/* -------------------------------------------------------------------- */
/* Get raster band */
/* -------------------------------------------------------------------- */
for (int iBand = 1; iBand <= ds.RasterCount; iBand++)
{
Band band = ds.GetRasterBand(iBand);
Console.WriteLine("Band " + iBand + " :");
Console.WriteLine(" DataType: " + band.DataType);
Console.WriteLine(" Size (" + band.XSize + "," + band.YSize + ")");
Console.WriteLine(" PaletteInterp: " + band.GetRasterColorInterpretation().ToString());
for (int iOver = 0; iOver < band.GetOverviewCount(); iOver++)
{
Band over = band.GetOverview(iOver);
Console.WriteLine(" OverView " + iOver + " :");
Console.WriteLine(" DataType: " + over.DataType);
Console.WriteLine(" Size (" + over.XSize + "," + over.YSize + ")");
Console.WriteLine(" PaletteInterp: " + over.GetRasterColorInterpretation().ToString());
}
}
/* -------------------------------------------------------------------- */
/* Processing the raster */
/* -------------------------------------------------------------------- */
//SaveBitmapBuffered(ds, localPngFile, -1);
SaveBitmapGrayBuffered(ds, localPngFile, -1);
UploadKmzFile(localPngFile, serverPngFile);
}
//string fileName = "cspp-viirs-flood-globally_20180815_080000.p153435116453720";
//string geoTiffFileName = string.Format(@"D:\Repos\GmuGeo-bak\Resources\VIIRS_floodmap_Aug15_2018\{0}.tif", fileName);
//string pngFileName = string.Format(@"D:\Repos\GmuGeo\Examples\png\{0}.png", fileName);
}
public int TransformGeolocations(Band xBand, Band yBand, Band zBand, Gdal.GDALProgressFuncDelegate callback, string callback_data, string[] options)
{
int ret = GdalPINVOKE.Transformer_TransformGeolocations(swigCPtr, Band.getCPtr(xBand), Band.getCPtr(yBand), Band.getCPtr(zBand), callback, callback_data, (options != null)? new GdalPINVOKE.StringListMarshal(options)._ar : null);
if (GdalPINVOKE.SWIGPendingException.Pending) throw GdalPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static extern void PushErrorHandler__SWIG_1(Gdal.GDALErrorHandlerDelegate jarg1);